2920645

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 4435200

約数和(自身を除く): 1514555

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 131, 245, 343, 455, 637, 655, 917, 1703, 1715, 3185, 4459, 4585, 6419, 8515, 11921, 22295, 32095, 44933, 59605, 83447, 224665, 417235, 584129, 2920645]

約数ペア:

[(1, 2920645), (5, 584129), (7, 417235), (13, 224665), (35, 83447), (49, 59605), (65, 44933), (91, 32095), (131, 22295), (245, 11921), (343, 8515), (455, 6419), (637, 4585), (655, 4459), (917, 3185), (1703, 1715)]